#321B73#321B73

#321B73 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.5% C 0.140 H 287.4°. Best body text is #FFFFFF at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#321B73
RGB	rgb(50, 27, 115)
HSL	hsl(256, 62%, 28%)
HSV	hsv(256, 77%, 45%)
CMYK	cmyk(56.5%, 76.5%, 0%, 54.9%)
CIE-LAB	lab(18.80, 34.84, -46.60)
CIE-LCH	lch(18.80, 58.18, 306.78°)
OKLab	oklab(31.54% 0.0419 -0.134)
OKLCH	oklch(31.54% 0.14 287.4)
XYZ	xyz(4.8009, 2.6995, 16.4844)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#321B73 #5C731B

analogous

#1B3073 #321B73 #5E1B73

triadic

#321B73 #73321B #1B7332

tetradic

#321B73 #731B30 #5C731B #1B735E

square

#321B73 #731B30 #5C731B #1B735E

split-complementary

#321B73 #735E1B #30731B

monochromatic

#0B0619 #1C0F41 #321B73 #4827A5 #6038D0

Accessibility & contrast

On white

13.64

#321B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#321B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #321B73

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##321B73	#FFFFFF	#000000	##FFFFFF
##321B73	1.00	13.64	1.54	13.64
#FFFFFF	13.64	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003076

Deuteranopia (green-blind)

#002B71

Tritanopia (blue-blind)

#173345

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #321b73;
/* rgb */ color: rgb(50, 27, 115);
/* oklch */ color: oklch(31.5% 0.140 287.4);

Tailwind

colors: {
  custom: {
    50: '#725a9c',
    500: '#321b73',
    950: '#000000',
  },
}

SCSS

$custom: #321b73;
$custom-light: #725a9c;
$custom-dark: #000000;

JSON

{
  "hex": "#321b73",
  "rgb": {
    "r": 50,
    "g": 27,
    "b": 115
  },
  "hsl": {
    "h": 255.682,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.31542,
    "c": 0.14041,
    "h": 287.4
  },
  "luminance": 0.027
}

Semantic roles & 50–950 ramp

primary

#321B73

secondary

#8DA842

accent

#E543BB

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #321B73

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →